確實而且可靠的憑據。空ㄎㄤ喙ㄘㄨㄧ˪哺ㄅㆦ˫舌ㄐㄧㆷ̇Khang‑tshuì‑pōo‑tsi̍h無ㆠㄜˊ路ㄌㆦ˫用ㄧㄥ˫bô‑lōo‑īng,白ㄅㆤㆷ̇紙ㄗㄨㄚˋ烏ㆦ字ㆢㄧ˫pe̍h‑tsuá‑oo‑jī才ㄐㄧㄚㆷtsiah有ㄨ˫ū憑ㄅㄧㄣˊ準ㄗㄨㄣˋpîn‑tsún。空口說白話沒有用,立下字據來,才有個準。